condition mean min max 4 h after light 119.622466 39.644695 199.600237 8 h after light 108.67387049999999 91.924412 125.423329 12 h after light 177.058182 111.499692 242.616672 4 h after dark 927.6640924999999 411.891534 1443.436651 8 h after dark 669.7429975 500.225475 839.26052 12 h after dark 366.385903 366.385903 366.385903